# IDA Union DK vs Tiris Messenger

The clearest difference is iOS requirement: IDA Union DK at 15.1 against Tiris Messenger's 18.6. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

IDA Union DK ships an update every 4 weeks, Tiris Messenger fortnightly. The most recent releases landed on November 2, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | IDA Union DK | Tiris Messenger |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[1.0 (1 ratings)](https://appshunter.io/ios/app/tiris-messenger/id6747435136/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 weeks | **Fortnightly** |
| Monetization | — | Free |
| Size | 76 MB | 20 MB |
| Requires iOS | **15.1** | 18.6 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 17+ |
| Developer | [Ingeniørforeningen Danmark](https://appshunter.io/developer/921534647) | [Trifork GmbH](https://appshunter.io/developer/492918120) |

## What reviewers say

### IDA Union DK

[App page](https://appshunter.io/ios/app/ida-union-dk/id1245652846)

**Features:** macOS Compatibility

**In-app purchases:** none


### Tiris Messenger

[App page](https://appshunter.io/ios/app/tiris-messenger/id6747435136)

A secure messaging app prioritizing user privacy with end-to-end encryption. It offers ad-free communication and seamless integration with company identity providers for secure team collaboration.

**Highlights:** End-to-end encryption, Ad-free communication, No user tracking or data sharing, EU privacy regulations compliant, Company identity provider integration, Secure team collaboration

**In-app purchases:** none


## Frequently asked questions

### Is IDA Union DK free?

IDA Union DK is free to download, with no in-app purchases.

### Is Tiris Messenger free?

Tiris Messenger is free to download, with no in-app purchases.

### Do IDA Union DK or Tiris Messenger have ads?

Neither IDA Union DK nor Tiris Messenger shows ads.

### Which is updated more often, IDA Union DK or Tiris Messenger?

IDA Union DK ships an update every 4 weeks, and Tiris Messenger fortnightly. Most recently, IDA Union DK was updated on November 2, 2026 and Tiris Messenger on October 30, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*